Study Points to Efficacy of Convalescent Plasma for Covid-19

A study of hospitalized patients with Covid-19 infections provided a sign that blood plasma transfusions from recovered patients improve survival rates, the largest research effort to date to shed light on the therapy’s efficacy.

The study, posted on the Medrxiv public server on Friday, compared 39 Covid-19 patients who received convalescent plasma transfusions with similar, matched patients who didn’t receive the therapy, all at Mount Sinai Hospital in New York during the same...